Hi, can you please help me with my math? Please help me please that's all I'm asking and thank you so much.Good evening g, thanks for helping meHi, can you please help me with my math? Please help me please that's all I'm asking and thank you so much.The problem is 7.Can you please help and thanks 7. The two lines y=4x+5 and y= 4x-2 are parallel because their slopes are equal (both equal to 4).What happens when you try to algebraically solve for their intersection point?
Answers
No solution
Explanation:y = 4x + 5
y = 4x - 2
Solving algebraically:
equate both equations
y = y
4x + 5 = 4x - 2
collect like terms:
4x - 4x = - 2 - 5
0 = -7
When the right hand side is not the same as the left hand side equation, it is a no solution.
Their intersection point gives no solution
Related Questions
What is the product?
1/2•(12 64)
(78 30)
Answers
E Match the corresponding congruent parts.(G.6)(6 point) DE DF / A Lc ZB EF
Answers
By definition:
Congruent figures in geometry are identical in shape and size.
This means that two figures are congruent with each other even if they are rotated, flipped or trasnlated as long as they have the identical shape and size.
For example, look at the following picture
We notice that the triangle has the same size and shaped, hence they are congruent. Furthermore we can say that the side BC is congruent to the side ZY and so on.
What is the rate of return when 25 shares of Stock A, purchased for $30/share, are sold for $825? The commission on the sale is $6. Rate of Return = [?] %
Answers
Given:
The rate of return when 25 shares of Stock
A. purchased for $30/share, are sold for $825. The commission on the sale is $6.
Required:
What is the rate of return?
Explanation:
First step is to find the shares of stock price:
Shares of stock price=25 shares×$30/share
Shares of stock price= $750
Second step is to calculate the total sold price:
Total sold price= $825+$6
Total sold price= $831
Third step is to calculate the Rate of return:
[tex]\begin{gathered} \text{ Rate if return }=\frac{831-750}{750}\times100 \\ \text{ Rate if return }=\frac{81}{750}\times100 \\ \text{ Rate of return }=10.8\% \end{gathered}[/tex]Answer:
Rate of return is 10.8%
You purchase six municipal bonds on the first of the year. The current market value price is 103. The commission charge is $5 per bond. What is the cost of the purchasing these bonds?
a.
$6210
b.
$633
c.
$648
d.
$3090
Answers
Answer:
C
Step-by-step explanation:
(103 + 5) * 6 = 648
Letter C
Explanation:
Why letter C?
You purchased 6 bonds for the price of 103 dollars the commission is 5 dollars for each, therefore we will add 103 + 5 and multiply by 6
(103 + 5) 6
(108)6
648
Or
6(103)+6(5)
618+30
648
Ratio
$1.25
1 slice
$10.00
8 slices
1 book
5 days
25 miles
1 gallon
Unit rate
Not a unit rate
Answers
Answer:
Step-by-step explanation:
$1.25 for 1 slice is the unit rate because a unit rate is the measure of a single unit, which in this case is 1 slice.
Please help again please help me
Answers
Answer:
-0.5,-1/5,0.7,3/4 its correct
Answer:
-0.5, -1/5, 0.7, 3/4
Step-by-step explanation:
We can convert the fractions into decimals.
-1/5 = -0.2
3/4 = 0.75
-0.5 is the least, then -1/5, then 0.7, and lastly 3/4.
Hope this helps!
P.S, Can I get a brainliest if this is right? Thanks!
Find the distance between the two points rounding to the nearest tenth (if necessary). (5,-8) and (-3,-1)
Answers
Answer: [tex]\sqrt{113}[/tex]
Step-by-step explanation:
You use the Pythagorean Theorem for problems like this.
1. First you figure out the distance between the points.
2. As seen in the picture, the yellow line is 7 units long and the blue line is 8 units long.
3. From here you substitute the numbers into the Pythagorean Theorem. [tex]7^{2} +8^{2} =c^2[/tex]
4. Now solve. This gives you [tex]\sqrt{113}[/tex]
You plan to work for 40 years and then retire using a 25-year annuity. You want to arrange a retirement income of $3500 per month. You have access to an account that pays an APR of 4.8% compounded monthly. This requires a nest egg of $610,823.48.
What monthly deposits are required to achieve the desired monthly yield at retirement? (Round your answer to the nearest cent.)
Answers
The monthly deposit that is required to achieve the desired monthly yield at retirement is $1,056.71.
What is the monthly deposit?An annuity is a series of payment that is made over a period of time. The annuity in this question would last for 25 years. When an investment is compounded monthly, it means that the investment would grow at an exponential rate once in a month.
The formula that would be used to determine the monthly payment is:
Monthly payment = future value / annuity factor
Annuity factor = {[(1+r)^n] - 1} / r
Where:
r = monthly interest rate = 4.8% / 12 = 0.4%n = number of periods = number of compounding x number of years: 12 x 25 = 300$610,823.48 ÷ [{(1.004^300) - 1} / 0.004] = $1,056.71
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find the area of a square inscribed in a circle of a radius square root 70
Answers
The area of a square inscribed in a circle of a radius square root 70 is 140 units².
What is a square inscribed in a circle?A square is inscribed in a circle if its four vertices are on the circle's circumference. When a square is inscribed in a circle, the diameter of the circle must be equivalent to the diagonal of the square
Given:
The radius of the circle = √70 units
Let the side of the square inscribed in the circle be x units.
Diagonal of the square = [tex]\sqrt{x^{2} + x^{2} }[/tex] = [tex]\sqrt{2} x[/tex]
Diameter of the circle = 2 × √70 ≅ 16.7 units
Now,
Diagonal of the square = Diameter of the circle
[tex]\sqrt{2} x = 16.7[/tex]
[tex]x = \frac{16.7}{\sqrt{2} }[/tex]
x ≅ 11.83 units
So, the Area of the square = (side)² = x²
= (11.83)²
≅ 140 units²
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classify the triangle with the given side lengths as acute, right, obtuse, or not a triangle 11, 13, 25
Answers
Notice that if a = 11 and b = 13 are two sides of the triangle, then:
[tex]a+b=11+13=24[/tex]since the larger side measures 25 units, then we cannot write a triangle with the given measures, since a + b cannot be less than the larger side. Therefore, it is not a triangle
Consider the steps James uses to solve the equation 2(x – 10) = 24. Equation: 2(x - 10) = 24 Step 1: 2x - 10 = 24 Step 2: 2x = 34 Step 3: x = 17 In which step, if any, did James make an error? A. Step 1 B. Step 2 C. Step 3 D. James did not make an error.
Answers
In the steps that James uses to solve the given equation he made a mistake:
We have:
[tex]2\cdot(x-10)=24\Rightarrow2x-20=24[/tex]James needed to apply the distributive property in the first step. However, he did not.
Therefore, James made an error in Step 1, that is, option A.
Add.
Your answer should be an expanded polynomial in
standard form.
(-4b³ + b − 1) + (6b - 6) =
Answers
Answer:
-4b^3 + 7b - 7
Step-by-step explanation:
We have to look at terms which look like each other, for example 1b and 6b.
We can add and subtract terms which have the same degree of b.
In this question, we can safely add -1 and -6, and also b and 6b,
which gives us (-4b^3 + b - 1 ) + 6b - 6) = -4b^3 + (1+6)b +( -1 - 6) = -4b^3 + 7b - 7
The three remaining terms all have different degrees of b's (respectively 3, 1, 0), so we can't add those up any further, which tells us that this is the right answer.
Answer:
Step-by-step explanation:
CAN SOMEONE PLS HELP ME WITH MY PRACTICE MATH QUESTIONS!!!
Answers
some fhdf
djfsirsisdsjfsd
fdfjjjf9d094--djjf9939=3030395944./445335
3y=-4x+5 y=-4/3x-8 are they parallel, perpendicular or neither
Answers
the lines are parallel.......
What is the domain and range? What does it mean in terms of the graph?
Answers
The domain of the graph is [0,14] and the range of the graph is [0, 7]
In this question, we have been given a graph of height of a falling object.
In this graph, x-axis represents the time in seconds and y-axis represents the height in meters.
We know that, the domain of a graph consists of all the input values which are on the x-axis and the range is the set of possible output values, which are shown on the y-axis.
In this graph we can see that the input (time) takes the values between [0, 14] and the output (height) has values in the interval [0, 7]
Therefore, the domain of the graph is [0,14] and the range of the graph is [0, 7]
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Target's sells casual sandals for $12 and dress sandals for $22. Total sandals sales were $2,300, and customers bought twice as many casual sandals as dress sandals. How many dress sandals did customers buy? (Hint: Let D = the number of dress sandals.)
Answers
Answer:
50 dress sandals
Step-by-step explanation:
Let D = number of dress sandals and C = number of casual sandals
Customers bought twice as many casual sandals as dress sandals. In algebraic form this would be
S = 2D (number of casual sandals = 2 times number of dress sandals)
Since casual sandals sell for $12 each and dress sandals for $22 each, the total sales for S casual and D dress sandals
= 12S + 22D = 2300 (given)
Substitute S = 2D into the above equation to get
12 (2D) + 22D = 2300
24D + 22D = 2300
46D = 2300
D = 2300/46 = 0
Answer: Customers bought 50 dress sandals
O EXPONENTIAL AND LOGARITHMIC FUNCTIONSExpanding a logarithmic expression: Problem type 1
Answers
Given:
a logarithm is given as
[tex]log(z^5x)[/tex]Find:
we have to expand the given logarithm expressionusing properties of logarithm.
Explanation:
we know from the properties of logarithm that
[tex]\begin{gathered} log(m^n)=nlog(m) \\ and \\ log(mn)=log(m)+log(n) \end{gathered}[/tex]we will use above properties to expand the given logarithm expression as follows
[tex]log(z^5x)=logz^5+logx=5logz+logx[/tex]Therefore, the expansion of the given logarithm is 5 log(z)+ log(x)
2+4-2÷3 please help
Answers
A easy way to operate fractions is convert the integer in a fraction, to operate fractions with the same denominator:
[tex]6\cdot\frac{3}{3}-\frac{2}{3}=\frac{18}{3}-\frac{2}{3}=\frac{16}{3}[/tex]The average of three test scores of the first two scores are 77 and 89
Answers
Answer:
A = (166+s)/3
Step-by-step explanation:
Average test-score:
Sum of all scores divided by the number of tests.
In this question:
First two tests: 77 and 89.
Third test: s
Number of tests: 3
Average:
Finding the sum: 77 + 89 + s = 166 + s
The average is:
A = (166+s)/3
At a local restaurant, the amount of time that customers have to wait for their food isnormally distributed with a mean of 12 minutes and a standard deviation of 2minutes. Using the empirical rule, determine the interval of minutes that the middle99.7% of customers have to wait.
Answers
By the empirical rule 99.7% of the customers fall within the interval bounded by
[tex]\bar{x}-3\sigma\text{ and }\bar{x}+3\sigma[/tex]In this case,
[tex]\begin{gathered} \bar{x}=12\min \text{ and} \\ \sigma=2\min \end{gathered}[/tex]Therefore,
[tex]\begin{gathered} \bar{x}-3\sigma=12-3(2)=12-6=6\min s \\ \bar{x}+3\sigma=12+3(2)=12+6=18\min s \end{gathered}[/tex]Hence, the interval of minutes that the middle 99.7% of customers have to wait is given by
(6mins, 18mins)
a rectangular flying carpet is 1 1/2 meters wide and 2 meters long what is the area of the carpet
Answers
The area of 1 1/2 meters wide and 2 meters long carpet is 3 meters².
As per the known fact, the area of rectangular object is calculated by performing multiplication of value of two sides. These two sides are length and width. Firstly converting width from mixed fraction to fraction -
Width = (2×1 + 1)/2
Width = 3/2 meters
Area = length × width
Keep the values in formula to find the value of area of rectangular flying carpet
Area = 3/2×2
Cancelling 2 as it is common in both numerator and denominator
Area = 3 meters²
Thus, the area of rectangular flying carpet is 3 meters².
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Help me please!! I don’t understand
Answers
Answer:
-3
Step-by-step explanation:
To find the answer, you need to use the formula y2-y1/x2-x1.
2-17/2-(-3)
2-17=-15
2-(-3)=5
-15/5=
-3
Hope this helps :D
Determine the perimeter of this rectangle. » 526 m 78 m P = I on m m
Answers
1) Since the Perimeter (2P) is the sum of all sides of a rectangle. And this rectangle has 526m w and 78 m. And also, a rectangle is a parallelogram that has the property of having a pair of congruent sides. Then
2) Then we can state:
2p = 526 +526+78+78
2p =1052+156
2p= 1208 meters
line segment QR is parallel to line segment ST. x = ___ m
Answers
In order to find the value of x, consider that triangles PQR and PST are similar. Then, you have the following equivalence:
PQ/PS = PR/PT
Where:
PQ = x
PS = 45m
PR = 16m
PT = 36m
replace the previous values of the length of the segments and solve for x, just as follow:
x/45 = 16/36 multiply by 45 both sides
x = (16/36)45
x = 20
Hence, the value of x is x = 20
Using the graph below, write two ordered pairs to show that the equation y = 15x represents the data.
Answers
By using the points (2, 30) and (4, 60) that we can see on the graph, we can see that the linear equation that models the data is:
y = 15*x
How to find the equation that models the data?A general linear equation is of the form:
y = a*x + b
Where a is the slope and b is the y-intercept.
If we know that the line passes through two points (x₁, y₁) and (x₂, y₂), the slope is given by:
a = (y₂ - y₁)/(x₂ - x₁)
In this case we can use two points that appear on the graph, I will use the first two ones:
(2, 30) and (4, 60)
Then the slope is:
a = (60 - 30)/(4 - 2) = 30/2 = 15
Thus, the line is of the form:
y = 15*x + b
To find the value of b we use the point (2, 30), replacing these values we get:
30 = 15*2 + b
30 = 30 + b
30 - 30 = b
0 = b
We conclude that the linear equation that models the data is y = 15*x
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find the rate of change of its elevation when x=22
Answers
To find the rate of change of its elevation we can derive the position function:
[tex]y=-\frac{1}{110}x^2+127[/tex][tex]y^{\prime}=\frac{d(y)}{dx}=d(-\frac{1}{110}x^2+127)/d(x)[/tex][tex]y^{\prime}=\frac{-1}{55}x[/tex]The rate of change of its elvation when x=22 is
[tex]\frac{-1}{55}\cdot22=\frac{-22}{55}=\frac{-2}{5}=-0.4[/tex]That represents the slope of the tangent line to the function at x=22.
If 2(x-8)= - 4x+2 , then x=
A) -7
B) -5
C) 3
D) 9
Answers
Answer:
C) 3
Step-by-step explanation:
2(x - 8) = -4x + 2
2x - 16 = -4x + 2
6x - 16 = 2
6x = 18
x = 3
Amber rolls a 6-sided die. On her first roll, she gets a "4". She rolls again.(a) What is the probability that the second roll is also a "4".P(4 | 4) =(b) What is the probability that the second roll is a "1".P(1l4)
Answers
The probability of getting a 4 again means is given by the product of the probabilities to obtain 4 twice (because in this case we have independent events)
(a) P(4I4) = P(4)*P(4) = (1/6)(1/6) = 1/36
(b) P(1l4) = P(1)*P(4) = (1/6)(1/6) = 1/36
In the previous calculations we have considered that the probability for getting any number is the same and it is 1/6.
How do I calculate the shaded area of this shape ?
Answers
SOLUTION:
We are to calculate the shaded area of the given shape.
CONCEPT:
This is a triangle that a rectangle was cut out from.
To calculate the shaded area of the given shape, we are to find the area of the triangle and then subtract the area of the recangle that was cut out.
[tex]\begin{gathered} \text{Area of Triangle:} \\ A\text{ = }\frac{1}{2}\text{ base }\times\text{ height} \\ \\ A\text{ = }\frac{1}{2}\text{ }\times\text{ 6m }\times7m\text{ } \\ \\ A=21m^2 \end{gathered}[/tex][tex]\begin{gathered} \text{Area of Rectangle:} \\ A=L\text{ }\times\text{ W } \\ A\text{ = 4m }\times\text{ 2m} \\ A=8m^2 \end{gathered}[/tex]The shaded area = Area of the triangle - Area of the rectangle
[tex]\begin{gathered} \text{Shaded area = 21 m}^2-8m^2 \\ \text{Shaded area = 13 m}^2 \end{gathered}[/tex]Question 2 George is 5 feet 8 inches tall. How many inches tall is he? (1foot = 12 inches) 58 inches O 60 inches O 68 inches O 12 inches
Answers
Answer:
68
Step-by-step explanation:
1 foot = 12 inches
Multiply 5 by 12 inches
5 feet = 60 inches
Add the extra 8 inches
60 + 8 = 68 inches
George is 68 inches tall.
Answer:
Step-by-step explanation:
George is 5 feet and 1 foot equals 12 inches, so do 12x5 + the actual 8 inches
12x5=60
60+8=68 inches total